Family name الهدوء (الهدوء 
) , around the world, is quite a common cognomen. The last name الهدوء is characteristic of Iraq, where it is quite a common surname, Libya, where it is quite a rare surname, and Oman. In absolute terms, it is the most numerous in Iraq, Egypt, and Sudan. Much less frequently, الهدوء is the forename as well as the last name.